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प्रश्न
Write a chemical reaction for the preparation of the following polymer.
polyacrylonitrile
Write chemical reaction for the preparation of polyacrylonitrile.
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उत्तर
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संबंधित प्रश्न
Write the monomers of the following polymer :
Answer the following in one sentence.
Define the term: Vulcanization
Answer the following.
Write the reaction of the formation of Terylene.
Answer the following.
Name the polymer type in which following linkage is present.
\[\begin{array}{cc}\ce{- C - O -}\\||\phantom{.....}\\
\ce{O\phantom{.....}}\end{array}\]
Identify condensation polymers and addition polymers from the following.
-(CH2 - CH = CH - CH2 -)n
Identify condensation polymers and addition polymers from the following.
-(CO(CH2)4 - CONH(CH2)6NH-)n
Attempt the following:
Write the chemical reactions involved in the manufacture of Nylon 6,6.
Answer the following.
Is synthetic rubber better than natural rubber? If so, in what respect?
Answer the following.
Write main specialities of Buna-S, Neoprene rubber?
write the structure of the monomer used in natural rubber.
Write preparation of low density polythene.
Mention two uses of LDP.
Explain vulcanization of rubber.
The following structure represents the polymer:
\[\begin{array}{cc}
\ce{[-C-CH2-NH-C-(-CH2)5 NH -]_{{n}}}\\
\phantom{}||\phantom{.............}||\phantom{................}\\
\phantom{}\ce{O}\phantom{.............}\ce{O}\phantom{................}
\end{array}\]
Which among the following polymers is obtained from styrene and 1-3-butadiene?
How many isoprene units are present in abscisic acid?
Identify the CORRECT statement regarding the following polymer.
\[\begin{array}{cc}
\phantom{....}\ce{O}\phantom{............}\ce{O}\phantom{...................}\ce{H}\phantom{.....}\\
\phantom{....}||\phantom{.............}||\phantom{...................}|\phantom{......}\\
\ce{-[C - (CH2)4 - C - NH - (CH2)6 - N -]_{{n}}}
\end{array}\]
Identify the INCORRECT match.
\[\ce{{n} CH2 = CH2 ->[333 K - 343 K][6 - 7 atm, catalyst] X}\]
Which of the following is CORRECT about polymer 'X'?
Novolac is obtained from ____________.
Which of the following polymers is a heteropolymer?
Which among the following polymers can NOT be remoulded?
Which among the following polymers is obtained from CH2 = CH – CN by polymerisation?
Identify the monomers used in the preparation of Novolac.
Which among the following monomers is used to prepare Teflon?
Which of the following polymers is prepared by using phenol?
Which among the following polymers is an example of addition polymer?
Which of the following pair of compounds is used as monomers for bakelite?
Which among the following polymers is used to manufacture chemical containers?
Which of the following is not a semisynthetic polymer?
Which of the following polymers, need atleast one diene monomer for their preparation?
(i) Dacron
(ii) Buna-S
(iii) Neoprene
(iv) Novolac
Match the polymers given in Column I with the type of linkage present in them given in Column II.
| Column I | Column II |
| (i) Terylene | (a) Glycosidic linkage |
| (ii) Nylon | (b) Ester linkage |
| (iii) Cellulose | (c) Phosphodiester linkage |
| (iv) Protein | (d) Amide linkage |
| v) RNA |
Which of the following is not a copolymer?
The monomer of Teflon is ______.
F2C = CF2 is monomer of the polymer -
Which of the following polymer has ester linkage?
Which of the following is an example of polyester?
Which of the following polymers do not involve cross linkages?
The catalyst used for the polymerisation of olefins is ______.
Identify the monomer used to prepare neoprene.
Which of the following is a polymer of enzyme?
Write the structure of isoprene and the polymer obtained from it.
Name the compound which reacts with formaldehyde to produce ethyl alcohol.
Write the preparation of viscose rayon.
Write the name of the monomer of natural rubber.
Another name of terylene is ______.
Write the structure and name of monomer of Natural rubber.
Write the structure of isoprene and the polymer obtained from it.
Name and draw the structure of the repeating unit in natural rubber.
Name and draw structure of the repeating unit in natural rubber.
Name and draw the structure of the repeating unit in natural rubber.
Name and draw structure of the repeating unit in natural rubber.
Name and draw structure of the repeating unit in natural rubber.
